Where does “счастливый” come from?
счастливый (Russian) comes from Russian сча́стье, from Old East Slavic съчастиѥ, from Proto-Slavic sъčęstьje, from Proto-Slavic sъ-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.
Ancestry of “счастливый”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | сча́стье | — |
| 2 | Old East Slavic | съчастиѥ | — |
| 3 | Proto-Slavic | sъčęstьje | happiness |
| 4 | Proto-Slavic | sъ- | good |
| 5 | Proto-Indo-European | h₁su- | good |
| 6 | Proto-Indo-European | h₁wes- | good; to be cheerful, happy; to eat, to feast |
Words derived from “счастливый”